the characters are following: main types of the gas accumulation are fault block trap and anticlinal trap. the distribution of the gas is limited , but it can enrich gas in local.
逆沖推覆构造成藏区主要分布在中卫探区中部的逆沖推覆带范围,该成藏区的特点是气藏类型以背斜圈闭、断块圈闭气藏为主,其成藏范围有限,但可形成局部的天然气富集区。